title: Distribution of extremity muscle weakness in myasthenia gravis: sparing of tibialis anterior muscle.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D005121:Extremities / Q000503:physiopathology; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D018908:Muscle Weakness / Q000209:etiology / Q000503:physiopathology*; D018482:Muscle, Skeletal / Q000503:physiopathology; D009157:Myasthenia Gravis / Q000150:complications / Q000503:physiopathology*